Mathematics for IGCSE & O level - Proportion (Section 1 - No. 46)
If *a* is inversely proportional to *b* and *a* = 2 when *b* = 6, what is *a* when *b* = 3?
1
3
4
6
Explanation
a = k/b. So, 2 = k/6, hence k = 12. Therefore, a = 12/3 = 4.
Comments (0)
